Nation in Focus

April 24, 2013 1:27 AM

Photo: David Joles/Associated Press

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In this image provided by Solar Impulse, the sun-powered plane The Solar Impulse glides over the Golden Gate Bridge in San Francisco during a successful test flight on Tuesday, April 23, 2013. The solar-powered airplane is preparing for a journey around the world, scheduled to begin on May 1. The Solar Impulse is powered by about 12,000 photovoltaic cells that cover massive wings and charge its batteries, allowing it to fly day and night without jet fuel. It has the wing span of a commercial airplane but the weight of the average family car, making it vulnerable to bad weather. (AP Photo/Solar Impulse) less

In this image provided by Solar Impulse, the sun-powered plane The Solar Impulse glides over the Golden Gate Bridge in San Francisco during a successful test flight on Tuesday, April 23, 2013. The solar-powered ... more

Jacob Smith 10, greets Spider-Man, who is played by Marcos Medrano, through the window as window washers from Scottie's Building Services drop in to greet patients of WakeMed's Children's Hospital Tuesday, April 23, 2013. Spider-Man, Batman and Iron Man spent the day outside the windows of the lobby and children's rooms. "It's awesome" said Smith, who has been in the hospital two nights, of the superhero visit. (Ethan Hyman/Raleigh News & Observer/MCT) less

Jacob Smith 10, greets Spider-Man, who is played by Marcos Medrano, through the window as window washers from Scottie's Building Services drop in to greet patients of WakeMed's Children's Hospital Tuesday, ... more

BOSTON, MA - APRIL 23: Signatures adorn a Boston Marathon poster near the site of the Boston Marathon bombings on April 23, 2013 in Boston, Massachusetts. Business owners and residents of the closed section were allowed to return to their properties today while under escort of city staff. (Photo by Mario Tama/Getty Images) less

BOSTON, MA - APRIL 23: Signatures adorn a Boston Marathon poster near the site of the Boston Marathon bombings on April 23, 2013 in Boston, Massachusetts. Business owners and residents of the closed section ... more

The reflection of AmeriCorps member Tom Schweiss is seen in the front door of a downtown business as he walks off a sandbag levee Tuesday, April 23, 2013, in Clarksville, Mo. Communities along the Mississippi River and other Midwestern waterways eyed and in some cases fortified makeshift levees holding back floodwaters that meteorologists said could worsen or be prolonged by looming storms. (AP Photo/Jeff Roberson) less

The reflection of AmeriCorps member Tom Schweiss is seen in the front door of a downtown business as he walks off a sandbag levee Tuesday, April 23, 2013, in Clarksville, Mo. Communities along the Mississippi ... more

Photo: Jeff Roberson, Associated Press

The reflection of AmeriCorps member Tom Schweiss is seen in the... Photo-4519285.60953 - NewsTimes

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A surfer is seen in the rough waters on the New Hampshire coast, Tuesday, April 23, 2013, off Hampton, N.H. (AP Photo/Jim Cole)

A surfer is seen in the rough waters on the New Hampshire coast, Tuesday, April 23, 2013, off Hampton, N.H. (AP Photo/Jim Cole)

Photo: Jim Cole, Associated Press

A surfer is seen in the rough waters on the New Hampshire coast,... Photo-4519293.60953 - NewsTimes

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Shara Evans, of West Bloomfield, Mich., acts during a "zombie apocalypse" exercise, which included students dressing up as the undead, on the University of Michigan campus in Ann Arbor, Mich. Tuesday April 23, 2013. The exercise was designed to get School of Public Health students thinking about what the appropriate response should be during a disaster. (AP Photo/Paul Sancya) less

Shara Evans, of West Bloomfield, Mich., acts during a "zombie apocalypse" exercise, which included students dressing up as the undead, on the University of Michigan campus in Ann Arbor, Mich. Tuesday April 23, ... more

Photo: Paul Sancya, Associated Press

Shara Evans, of West Bloomfield, Mich., acts during a "zombie... Photo-4519294.60953 - NewsTimes

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A sheet of five dollar notes not yet fully printed is inspected by employees at the Bureau of Engraving and Printing in Washington, D.C., U.S., on Tuesday, April 23, 2013. Stocks rallied amid growth in U.S. home sales, better-than-forecast earnings and speculation the European Central Bank will cut interest rates. U.S. equities recovered after briefly erasing gains following a false report of explosions at the White House. Photographer: Andrew Harrer/Bloomberg less

A sheet of five dollar notes not yet fully printed is inspected by employees at the Bureau of Engraving and Printing in Washington, D.C., U.S., on Tuesday, April 23, 2013. Stocks rallied amid growth in U.S. ... more

Photo: Andrew Harrer, Bloomberg

A sheet of five dollar notes not yet fully printed is inspected by... Photo-4519295.60953 - NewsTimes